资源简介 人教版英语八年级上册英语各单元知识点大归纳 之第二单元Unit 2 How often do you exercise 语法知识过关:1、掌握常见的频率副词。always总是;usually通常;often经常;sometimes,有时候;never从不;seldom(很少)频率副词在句中通常放在实义动词之前,be动词或助动词之后,常用于一般现在时态中。例如:Tom is always late for work. 汤姆总是上班迟到。又如:My mother never goes shopping during the weekdays because she is busy.我的妈妈从不在工作日期间购物,因为她很忙。2、“次数”的表达方法。一次once,两次twice,三次或三次以上用基数词+times,例如:once a day一天一次;twice a week一个周两次;three times三次、 five times五次3、how often“多久一次”问频率,回答常含有频率词组或短语。区别常见的how疑问词:(1)、 How soon多久(以后),用于对将来时间提问,和一般将来时连用,例如:—How soon will he be back 他多久能回来?—He will be back in a month. 他一个月后能回来.(2)、how long“多久”,用于对一段时间提问,例如:—How long did it take you to clean the house 你打扫房子用了多长时间?—It took me half an hour to clean the house.我打扫这房子用了半小时。、How many+名词复数\ How much+不可数名词,表示“多少”,用于询问数量。当然,how much 还可以用于询问价格。例如:How many students are there in your class 你们班有多少个学生?再如:How much milk is there in the cup 杯子里有多少牛奶?又如:How much are are these blue socks 这些蓝色的袜子多少钱?、How far“多远”,用于询问距离;例如:How far is it from Beijing to Shanghai 北京到上海有多远?、How often 多久一次,用于询问频率;例如:How often do you walk to school 你多久一次走路去学校?二、知识点:1、go to the movies 去看电影 ;see a film看电影look after =take care of 照顾;例如:Our teachers try to look after us well. = Our teachers try to take care of us well. 老师们尽力照顾好我们。3、surf the internet 上网 ;use the internet使用网络;例如:Do you often surf the internet in your free time?你经常在空余时间上网吗?4、one’s favorite program 某人最喜欢的节目5、healthy lifestyle 健康的生活方式;例如:Tom has a healthy lifestyle to keep healthy.汤姆拥有健康的生活方式来保持健康!6、eating habits 饮食习惯;例如:In order to keep healthy , we should have good eating habits.为了保持健康,我们应该拥有好的饮食习惯。7、keep healthy=stay healthy 保持健康 In order to stay healthy , he cares about what he eats. 为了保持健康,他关注自己的饮食。8、take more exercise做更多的运动9、the same as与...相同 ;例如:I have a good friend who is the same as me. 我有一个跟我一样的好朋友。10、be different from与...不同; 例如:Please look at the two leaves carefully , you will find they are different from each other. 请仔细看两片树叶,你会发现他们彼此不同。11、once a month一月一次 ;例如:He goes to the school library once a month to borrow some books. 他一个月去一次学校的图书馆去借阅一些书。12、twice a week一周两次;例如:I’m busy with schoolwork , so I can only play basketball twice a week. 我忙于学业(功课),所以一个周只能打两次篮球。13、make a difference to ...对...有影响 ;例如:Reading English every day makes a big difference to me. 每天读英语对我有很大影响。14、most of the students大多数学生;例如:Most of the students just stay at home and watch TV on weekends. 大多数学生周末只是呆在家里看电视。15、shop=go shopping=do some shopping购物 16、be good for... 对...有益;例如:We all know that drinking milk in the morning is good for us.我们都知道,早上喝牛奶对我们有益。17、be bad for...对...有害 ;例如:Don’t read books in bed . It’s bad for your eyes. 不要躺在床上看书,这样对眼睛有害。18、come home from school 放学回家19 、of course= certainly=sure 当然 20、get good grades 取得好成绩21、keep/be in good health保持健康 22 、take a vacation 去度假not at all一点儿也不词语辨析过关:一、maybe / may be1、maybe或许、可能;例如:Maybe you are right. 或许你是对的。又如:The baby is crying , maybe she is hungry. 这个婴儿在哭,可能她饿了。2、may be 可能是;例如:The woman may be a teacher. 这个女人可能是个老师。二、a few/ few/ a little /littlefew修饰可数名词,little修饰不可数名词,a few \ a little表示肯定;few\ little表示否定1、People can live to 100,but few people can live to 150. 人们能够活到100岁,但是几乎没有人能够活到150岁。2、 There is a few salt left , so we don’t have to buy now.还有一点盐留下,所以我们现在不必买。3、There is little time , we have to take a taxi to go there.几乎没有时间了,我们不得不乘坐出租车去那儿。4、Can you give me some time ,just a little 你能给我一些时间吗?只要一点点就够了。 展开更多...... 收起↑ 资源预览